testing changes with virtual file cleanup

src/components/ui/collapsible.tsx

@@ -1,9 +1,30 @@
+import * as React from "react";
 import * as CollapsiblePrimitive from "@radix-ui/react-collapsible";
+import { cn } from "@/lib/utils";
 
 const Collapsible = CollapsiblePrimitive.Root;
 
 const CollapsibleTrigger = CollapsiblePrimitive.CollapsibleTrigger;
 
-const CollapsibleContent = CollapsiblePrimitive.CollapsibleContent;
+const CollapsibleContent = React.forwardRef<
+  React.ElementRef<typeof CollapsiblePrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof CollapsiblePrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <CollapsiblePrimitive.Content
+    ref={ref}
+    className={cn(
+      "overflow-hidden transition-all duration-300 ease-out",
+      "data-[state=closed]:animate-accordion-up",
+      "data-[state=open]:animate-accordion-down",
+      className
+    )}
+    {...props}
+  >
+    <div className="animate-fade-in">
+      {children}
+    </div>
+  </CollapsiblePrimitive.Content>
+));
+CollapsibleContent.displayName = "CollapsibleContent";
 
 export { Collapsible, CollapsibleTrigger, CollapsibleContent };